3689612

Information

• Patent Grant
• 3689612

• References
• Source

• Patent Number

  3,689,612

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  53 years ago

• CPC

  • B29C44/351 - Means for preventing foam to leak out from the foaming device during foaming
  • B29C44/30 - Expanding the moulding material between endless belts or rollers
  • B29C47/0009 - characterised by the shape of the articles
  • B29C47/126 - using dies or die parts movable in a closed circuit
  • C07C29/38 - by reaction with aldehydes or ketones
  • C07C29/56 - by isomerisation
  • Y10S264/14 - forming integral skin on a foamed product
  • Y10S264/61 - Processes of molding polyamide
  • Y10S425/20 - Molding plants

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus